[petsc-dev] PCFieldSplitSetFields() API change

[Jed Brown]

On Thu, Jun 7, 2012 at 6:17 PM, Dmitry Karpeev <karpeev at mcs.anl.gov> wrote:

> DMCreateFieldDecomposition(DM dm, PetscInt *numsplits, char **splitnames,
> IS *rowislist, IS *colislist, DM *dmlist)


How can this be right? Shouldn't I be getting arrays back (rather than
having to create my own)?

Does the PCFieldSplit have any say over the way this decomposition is
pivoted?

How is one name enough? Take Euler with a residual expressed in
conservative variables, but state expressed in primitive variables. How
would you name the splits?
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